1924 Bentley 3-Litre

Vehicle Profiles

1924 Bentley 3-Litre vehicle information

Tourer
Coachwork: Mulliner

Chassis Num: 717

Walter Owen Bentley was well known in the motorcar world when he introduced his first three-litre model at the 1919 London Auto Show. Racing successes earned Bentley world-wide prestige. In fact, these automobiles won the grueling 24-hour race at Le ....[continue reading]

1924 Bentley 3-Litre vehicle information

Sports Car
Coachwork: Vanden Plas

Chassis Num: 532
Engine Num: 538

The British automaker Bentley Motors Limited was founded in 1919 by W.O. Bentley who was known for his World War I rotary aero-engines used in the Sopwith Camel. The company was also well respected for its racing success. In the 1930s, Bentley was at....[continue reading]

1924 Bentley 3-Litre vehicle information

Sports Car
Coachwork: Vanden Plas

Chassis Num: 815
Engine Num: 806

This Bentley 3-Liter model was originally fitted with body number 1089 and a matte black Sports body. It was delivered to Air Commodore Webb Bowen in December of 1924. It has a Vanden Plas body and rides on chassis number 815 and powered by engine nu....[continue reading]

1924 Bentley 3-Litre vehicle information

Hawkeye Special

Chassis Num: 477
Engine Num: TW2702

When World War I came to a close, W.O. Bentley began work on designing a new engine. With the help of F.T. Burgess from Humber and Harry Varley from Vauxhaull, the work was complete and all the parts were manufactured by September of 1919. Nobby Clar....[continue reading]

1924 Bentley 3-Litre vehicle information

Tourer

Chassis Num: 564
Engine Num: 557

This Bentley 3 - 4 1/2 was originally delivered in 1924 to W. Norcliffe of the United States. Like so many old cars it disappeared into decay until the early 1960s when it was unearthed in the United Kingdom as a true 'barn find.' While many of the o....[continue reading]

1924 Bentley 3-Litre vehicle information

Tourer

This 1924 Bentley is a 3 - 4.5 Litre Vanden Plas Open Tourer that took part in the 2018 Pebble Beach Tour d'Elegance.....[continue reading]

Tourer by Mulliner
Chassis #: 717 
Sports Car by Vanden Plas
Chassis #: 532 
Sports Car by Vanden Plas
Chassis #: 815 
Hawkeye Special
Chassis #: 477 
Tourer
Chassis #: 564 
Tourer
 

History

Walter Owen Bentley, commonly known as 'WO', worked as an apprentice at the Great Northern Railway where he designed airplane engines. The first Bentley automobile was created in London just after the end of World War I, and given a three-liter four-cylinder engine that produced 65 horsepower. It was designed by the company's founder, Walter Owen, and benefited from his technical abilities and skill. This car was the first to carry the flying 'B' insignia and the hallmark radiator casing. An example was shown at the 1919 London Motor Show, though it was void of an engine which was not ready in time.

The 3-litre Bentley would remain in production until 1929 with a total of 1622 examples being produced in various configurations. A total of 513 examples of the Speed Model were created during this time. The 3-Litre Bentley was the car that would give the Bentley Company its fame. The car would emerge victorious at the 1924 24 Hours of LeMans race, which is a true testament to the cars abilities, stamina, technology, ingenuity, and speed. The Bentley's would win LeMans again in 1927, 1928, 1929, and 1930. They competed at various other important races, such as the Tourist Trophy and Brookland's Double 12, where the cars proved they were the fastest.

Under the bonnet was the powerplant, which was a technical marvel and advanced for its time, featuring aluminum pistons, twin spark ignition, and an overhead camshaft that operated four-valves per cylinder. The cylinder block and head were cast as a single piece which prevent leakage from the gaskets. The dry-sump lubrication allowed for increased oil capacity, lower center of gravity for the engine, and reduced energy/power loss.

Various coachbuilders were tasked with creating the bodies; Vanden Plas was one of the popular favorites, as was the LeMans type bodystyle which closely mimicked the bodystyle of the LeMans racer. During that era, the cars that raced at LeMans were often given bodies of road-going Tourers, at the request of the organizers of the event. The Bentley's that raced at LeMans were given lightweight bodies, 25-gallon fuel tanks, and a re-worked suspension that included double hydraulic shock absorbers in the front with improved front axle beams. To help while driving at night, some cars were given a central Marchal headlight.

A six-cylinder engine soon followed, appearing in 1925, and provided additional power to carry the large and elegant coachworked bodies. It displaced nearly 6.6-liters and was given all the technology and mechanical ingenuity of the 3-liter units. In 1928 a high performance version was introduced, dubbed the 6.5-Liter Speed Model, also known as the Speed Six. In the capable hands of the 'Bentley Boys', the works drivers spearheaded by Woolf Barnato, captured many important victories for the company. Their first major success came in 1928 at LeMans where Barnato and Rubin drove a 4.5-Liter Bentley to victory. The Speed Six would dominate LeMans again in 1929 and 1930 with Barnato as their driver. The success of the Speed Six was due to its reliability and 200 horsepower engine.

Bentley was unable to compete in 1931 at LeMans due to financial difficulties. The company would soon be acquired by Rolls Royce which spelled an end for the racing program.


By Daniel Vaughan | Sep 2007

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